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Sample search results for: a4 family symmetry

Page:   2  3  4  5 
 
1 M.C. Escher's Use of the Poincare Models of Hyperbolic Geometry Douglas Dunham
 

Summary:  } #12;A 4-colored Pattern of (distorted) Fish Based on {8, 4} #12;Color Symmetry of Escher's "Circle... of a family of fish patterns Escher's "Circle Limit" patterns and their color symmetry Escher's use... patterns with 4-color symmetry. #12;A ...

  

Source: Dunham, Doug - Department of Computer Science, University of Minnesota-Duluth

 

Collection: Computer Technologies and Information Sciences

 
2 Creating Repeating Patterns with Color Symmetry Douglas Dunham
 

Summary:  Repeating patterns and regular tessellations Symmetries and color symmetry Color symmetry of a family... the bounding circle. #12;A 5-colored fish pattern based on {5, 5} #12;A 4-colored pattern of distorted fish... symmetry, but related ...

  

Source: Dunham, Doug - Department of Computer Science, University of Minnesota-Duluth

 

Collection: Computer Technologies and Information Sciences

 
3 What is a group of symmetries? Objects with symmetries
 

Summary:  What is a group of symmetries? Objects with symmetries How to understand a given symmetry group One... of the things which concern me Understanding symmetries and their consequences Zhu Chengbo Department... of Mathematics National University of Singapore February, 2006 Zhu Chengbo ...

  

Source: Zhu, Chen-Bo - Department of Mathematics, National University of Singapore

 

Collection: Mathematics

 
4 Symmetry and Concurrency (Extended Abstract)
 

Summary:  symmetry on A (which coincides with the greatest bisimulation on A). 4 Maps preserving symmetry Maps... monads once we have introduced symmetry. #12;8 Symmetry and Concurrency z : l z = r z; the family... S of E determines a ...

  

Source: Cheng, Eugenia - Department of Pure Mathematics, University of Sheffield; Winskel, Glynn - Computer Laboratory, University of Cambridge

 

Collection: Computer Technologies and Information Sciences ; Mathematics

 
5 I. F'hys. A: Math. Gen.28 (1995)19434955.Printed in theUK The symmetry in the structure of dynamical and adjoint
 

Summary:  ] -= 0 a4k a4k a4' so we have the first statement. The second one can be proved analogously. 0 Now we can... I. F'hys. A: Math. Gen.28 (1995)19434955.Printed in theUK The symmetry in the structure... of dynamical and adjoint ...

  

Source: Pasquero, Stefano - Dipartimento di Matematica, Università degli Studi di Parma

 

Collection: Mathematics

 
6 NONCLASSICAL AND CONDITIONAL SYMMETRIES Peter J. Olver, Evgenii M. Vorob'ev
 

Summary:  can get the family of vector elds of the nonclassical symmetries: v = 4@t ;2u@x +(;u3 + ( t + )u + ; x... ;NONCLASSICAL CONDITIONAL SYMMETRIES 11 family of contact vector elds generated by the functions in I... -dimensional modules of partial symmetries for a family of ...

  

Source: Olver, Peter - School of Mathematics, University of Minnesota

 

Collection: Mathematics

 
7 Pre-Symmetry Sets of 3D shapes Andre Diatta and Peter Giblin
 

Summary:  with the tangent circle of type A3 exactly), a3 2 = a4 and the local structure of the pre-symmetry set, apart from... , in line with our work on 3D pre-symmetry sets below. #12;4 A. Diatta and P. Giblin · A4: the pre-symmetry... . For the ...

  

Source: Giblin, Peter - Department of Mathematical Sciences, University of Liverpool

 

Collection: Mathematics

 
8 VARIATIONAL C # -SYMMETRIES AND EULERLAGRANGE EQUATIONS
 

Summary:  ­parameter family of solutions lost in the reduction process, by relating the variational C # -symmetry... A # A such that v [#,(n)] Q (L) = Q · E[L] + (D + #)(A). (4.42) Proof Let us prove that for any F, G and for each i... (# u i (L)) + (D + #)(A) = QE[L] + (D + #)(A). ...

  

Source: Olver, Peter - School of Mathematics, University of Minnesota

 

Collection: Mathematics

 
9 VARIATIONAL C -SYMMETRIES AND
 

Summary:  of this theorem is reduced to the formula v(n) (L) = Q · E[L] + D(A), for some A A, (4.41) which is based... to -prolongations. Lemma 4.1 Suppose Q, A. There exists A A such that v [,(n)] Q (L) = Q · E[L] + (D + )(A). (4... + )(A). (4.44) Next we present a ...

  

Source: Olver, Peter - School of Mathematics, University of Minnesota

 

Collection: Mathematics

 
10 Partial Liepoint symmetries of differential equations
 

Summary:  \Gammasymmetric family of solutions to (3.3) for any –. The case of symmetry operators of the form X = ' ff (u... Partial Lie­point symmetries of differential equations Giampaolo Cicogna Dipartimento di Fisica... symmetry of this is a Lie­point invertible trans­ formation T such that T (S) = S, i.e. such ...

  

Source: Mathematical Physics Preprint Archive

 

Collection: Mathematics

 
11 Symmetry Breaking for Pseudo-Boolean FADI A. ALOUL
 

Summary:  64819242426410340.2069121114.70.05648423124n/an/a>1000n/an/a4.03n/a Total--7365135954607104273561.412.4E37530... Symmetry Breaking for Pseudo-Boolean Formulas FADI A. ALOUL American University of Sharjah... ) and symmetries in SAT. Those extensions gracefully accommodate well-known advances in SAT solving, ...

  

Source: Aloul, Fadi - Department of Computer Engineering, American University of Sharjah

 

Collection: Engineering

 
12 Allowed mesoscopic point group symmetries in domain average engineering of perovskite ferroelectric crystals
 

Summary:  systems belong to the pervovskite family with the high temperature phase having cubic Pm3¯m symmetry... . The labeling of OP directions are the following: 1(a,0,0), 2( a,0,0), 3(0,0,a), 4(0,0, a), 5(0,a,0), 6(0, a,0... directions are: 1(a,a,a), 2(a, a, a), 3( a,a, a), ...

  

Source: Cao, Wenwu - Department of Mathematics, Pennsylvania State University

 

Collection: Mathematics

 
13 J. Phys. I France 3 (1993) 2371-2385 DECEMBER 1993, PAGE 2371 Classification
 

Summary:  that the cubic structure is merely the maximal symmetry endpoint of the intermediate structural family... . To geometrically model these transitions we consider lower-symmetry IPMS families derived from cubic IPMS... of reflection symmetry in figure 6 (in particular, the axis Im w =0 for ...

  

Source: Ecole Polytechnique, Centre de mathématiques

 

Collection: Mathematics

 
14 Almost Integrable Evolution Equations Peter H. van der Kamp and Jan A. Sanders
 

Summary:  [b] at some order m. Observe that for such pairs (a, 4) and (b, m), the result is valid for any (not... is a root only if m = 1 mod 3. This is not surprising, the family B4 -1 is integrable and has symmetries... , instead of an example of an equation with 2 symmetries, we have found three ...

  

Source: Kamp, Peter H. van der - Department of Mathematics and Statistics, La Trobe University

 

Collection: Mathematics

 
15 Universal quantum groups acting on classical and quantum spaces
 

Summary:  (Sn) is a quantum subgroup of As(n). All quantum subgroups of A4 are known ([BB]); when n 5 the classification... Universal quantum groups acting on classical and quantum spaces Lecture 2 - Quantum symmetry groups... ) Quantum symmetry groups Leeds, 25 May 2010 1 / 24 #12;1 Quantum permutation groups 2 Quantum ...

  

Source: Haase, Markus - Elektrotechniek, Wiskunde en Informatica, Technische Universiteit Delft

 

Collection: Mathematics

 
16 Euro. Jnl of Applied Mathematics (2005), vol. 16, pp. 239261. c 2005 Cambridge University Press doi:10.1017/S0956792505005838 Printed in the United Kingdom
 

Summary:  equation (with variable coefficients) of the form A1v3 x + A2v2 x + A3vx + A4 K (vx) + B1v2 x + B2vx + B3 K... ) through multiplying (2.1) by (A1v3 x + A2v2 x + A3vx + A4) and (2.2) by (-vv3 x + (v - x + v)v2 x + (x - v... - 2xv) + A3(2xv - vv) + A4vv + C1x - C2(x - v ...

  

Source: Bluman, George - Department of Mathematics, University of British Columbia

 

Collection: Mathematics

 
17 A Guide to the Symmetry Structure of Quasiperiodic Tiling Classes
 

Summary:  symmetric tiling from LI[ST]. References [1] International Tables for Crystallography (Volume A), 4th... A Guide to the Symmetry Structure of Quasiperiodic Tiling Classes Joachim Hermisson, Christoph... was introduced recently, we present a recipe allowing for a complete analysis of the symmetry structure

  

Source: Baake, Michael - Fakultät für Mathematik, Universität Bielefeld; Mathematical Physics Preprint Archive

 

Collection: Mathematics

 
18 Vol. 41 (2010) ACTA PHYSICA POLONICA B No 11 LOW DENSITY SYMMETRY ENERGY EFFECTS
 

Summary:  , the value of symmetry energy corresponds to the a4 parameter in the Bethe­Weizsäcker mass formula, and is Es... ]. The symmetry energy in MDI family presents large discrepancies both in the low and in the high density region... ;Low Density Symmetry Energy Effects ...

  

Source: Magiera, Andrzej - Instytut Fizyki, Uniwersytet Jagiellonski

 

Collection: Physics

 
19 TOPOLOGICAL SYMMETRY GROUPS OF COMPLETE BLAKE MELLOR
 

Summary:  this question for the symmetry groups of the reg- ular polyhedra, A4, S4 and A5. For each of these groups, we... TOPOLOGICAL SYMMETRY GROUPS OF COMPLETE GRAPHS BLAKE MELLOR Given an embedding of a graph in S3... , the topological symmetry group TSG+() is the subgroup of the automorphism ...

  

Source: Fulman, Jason - Department of Mathematics, University of Southern California

 

Collection: Mathematics

 
20 Symmetry within Solutions Marijn Heule
 

Summary:  Symmetry within Solutions Marijn Heule TU Delft The Netherlands marijn@heule.nl Toby Walsh NICTA... and UNSW Sydney, Australia toby.walsh@nicta.com.au Abstract We define the concept of an internal symmetry... . This is a symmety within a solution of a constraint satisfaction prob- lem. We compare this to solution symmetry

  

Source: Langendoen, Koen - Elektrotechniek, Wiskunde en Informatica, Technische Universiteit Delft

 

Collection: Engineering ; Computer Technologies and Information Sciences


Page:   2  3  4  5 
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21 Symmetry within and between solutions NICTA and University of NSW, Sydney, Australia, email: toby.walsh@nicta.com.au
 

Summary:  Symmetry within and between solutions Toby Walsh NICTA and University of NSW, Sydney, Australia... , email: toby.walsh@nicta.com.au Abstract. Symmetry can be used to help solve many problems. For instance... , Einstein's famous 1905 paper ("On the Electrodynamics of Moving Bodies") uses symmetry to help derive

  

Source: Walsh, Toby - National ICT Australia (NICTA) & School of Computer Science and Engineering, University of New South Wales

 

Collection: Computer Technologies and Information Sciences

 
22 Almost integrable evolution equations Peter H. van der Kamp & Jan A. Sanders
 

Summary:  (a, 4) a* *nd (b, m), the result is valid for any (not necessarily homogeneous) K and thus... if m = 1 mod 3. This is not surprising, the family B4 1is integrable * *and__ has_symmetries... example of a equation with 2 symmetries we have found a 6-parameter family. ...

  

Source: Sanders, Jan - Department of Mathematics, Vrije Universiteit Amsterdam

 

Collection: Mathematics

 
23 A monkey saddle in rigid body dynamics Heinz Hanmann
 

Summary:  , the reflection #e z ## -#e z induces the time­reversing symmetry # ## -# of the family X H # . At # = 0... the reversing symmetry (5) into account these equilibria form sextu­ ples. All equilibria in the family (X H... 2# 2 -1 (A # -4 3+3 # 8 for # # # b ) and ...

  

Source: Hanssmann, Heinz - Department of Mathematics, Universiteit Utrecht

 

Collection: Mathematics

 
24 A monkey saddle in rigid body dynamics Heinz Hanmann
 

Summary:  ). Similarly, the reflection ez -ez induces the time-reversing symmetry - of the family XH . At = 0... 2 p2 + q2 2 2 + A p2 q 2 - q3 3 + () p2 + q2 2 with coefficient A = -1 3 2 52 -3 22-1 (A -4 3+3 8... is moving in a nonlinear force field with potential z3. Next to the ...

  

Source: Hanssmann, Heinz - Department of Mathematics, Universiteit Utrecht

 

Collection: Mathematics

 
25 A monkey saddle in rigid body dynamics Heinz Hanmann
 

Summary:  , the reflection #e z ## -#e z induces the time­reversing symmetry # ## -# of the family X H # . At # = 0... the reversing symmetry (5) into account these equilibria form six­packs. All equilibria in the family (X H... # 2 5# 2 -3 2# 2 -1 (A # -4 3+3 # 8 for # # # b ...

  

Source: Mathematical Physics Preprint Archive

 

Collection: Mathematics

 
26 Symmetries of the Two-Higgs Doublet Model (2HDM) Eddie Santos
 

Summary:  Model (2HDM) · Basic Transformations and Higgs Family (HF) Symmetries of the 2HDM · General CP (GCP... = Sa¯Sc¯Z ¯¯S ¯bS ¯d #12;2HDM Higgs Family (HF) Symmetries · The HF symmetry group must be a subgroup... guaranteed by the invariance SU(2)LxU(1)Y. · HF ...

  

Source: Belanger, David P. - Physics Department, University of California at Santa Cruz

 

Collection: Physics

 
27 Reconstruction from Medial Representations
 

Summary:  )2 + 2z(tan-1 z + 2a) + 4b + 1 - ln(1 + z2 ) (11) with a, b are as above, and z1 < tan are the zeros... axis, the symmetry set and the `smoothed local symmetry' which we call here the midpoint locus. All... depend on circles which are twice-tangent to the boundary curve of the shape. In addition there is ...

  

Source: Giblin, Peter - Department of Mathematical Sciences, University of Liverpool

 

Collection: Mathematics

 
28 J. Fluid Mech. (2005), vol. 522, pp. 395411. c 2005 Cambridge University Press DOI: 10.1017/S0022112004002095 Printed in the United Kingdom
 

Summary:  be noted that since the symmetric expansions (A 4) and (A 5) preserve their symmetry under the Navier... ) symmetry), leading to a continuous family of solutions that are parameterized by their phase in z... expansion functions for u are (u , v , w )(x, y, z, t) = (^u cos z, ^v cos z, ^w ...

  

Source: Lopez, John M. - Department of Mathematics and Statistics, Arizona State University; Marques, Francisco - Departament de Física Aplicada, Universitat Politècnica de Catalunya

 

Collection: Engineering ; Mathematics ; Physics

 
29 On symmetric attractors in reversible dynamical Jeroen S.W. Lamb 1 & Matthew Nicol 2
 

Summary:  (A) `` A 6= ; then fl(A) = A. 4 #12; (a) \Gamma \Sigma Z Z 2 1 Class I Z Z 2 Class II (b) \Gamma \Sigma Z Z m... orthogonally on IR n . We say that \Gamma is a reversing symmetry group of a homeomorphism, diffeomorphism... symmetry groups to occur as symmetry groups of attractors ...

  

Source: Lamb, Jeroen - Department of Mathematics, Imperial College, London

 

Collection: Mathematics

 
30 Mon. Not. R. Astron. Soc. 000, 000000 (0000) Printed 14 January 2009 (MN LATEX style file v2.2) On the 2/1 resonant planetary dynamics -Periodic orbits
 

Summary:  ­bifurcation" of the families A1 and A32 at = ¯2 and the formation of the new families A4 and A123. a) = 0.3 < ¯2 b) = 0... , the family A4 and the family A123 (Fig. 7c). In this case only the ...

  

Source: Hadjidemetriou, John D. - Department of Physics, Aristotle University of Thessaloniki

 

Collection: Physics

 
31 Continuous Symmetry Measures. 5. The Classical Polyhedra Mark Pinsky and David Avnir*
 

Summary:  . It is essential to point out that the solutions to eq A4, are independent of the scaling factor, A. Therefore, eqs... A3 and A4 can be solved independently. Thus, one can first solve eq A4 and then use the data... to calculate the scaling factor A from eq A3. As a ...

  

Source: Mark, Pinsky - Institute of Earth Sciences, Hebrew University of Jerusalem

 

Collection: Geosciences

 
32 ESI The Erwin Schrodinger International Boltzmanngasse 9 Institute for Mathematical Physics A-1090 Wien, Austria
 

Summary:  S satisfying both conditions is smooth. #12;14 LENKA ZALABOV ´A 4.4. Smooth systems and homogeneity... of his 60th birthday. Abstract. We study here systems of symmetries on |1|­graded parabolic ge- ometries... . We are interested in smooth systems of symmetries and we discuss non­flat homogeneous ...

  

Source: Pottmann, Helmut - Institut für Diskrete Mathematik und Geometrie, Technische Universität Wien

 

Collection: Mathematics

 
33 Symmetry-breaking Answer Set Solving Christian Drescher a, Oana Tifrea b and
 

Summary:  ) and the rotation (a1 a2 a3 a4). To break the symmetry (a1 a2) we post the permuta- tion constraint a1, a2 To break... the symmetry (a1 a2 a3 a4) we post a1, a2 c0 c0 a1, a2, a3 c1 a2, a3, a4 c0 a1, c1 c1 a2, c2 c0 a2, ...

  

Source: Walsh, Toby - National ICT Australia (NICTA) & School of Computer Science and Engineering, University of New South Wales

 

Collection: Computer Technologies and Information Sciences

 
34 electronic reprint Crystallography
 

Summary:  (ITA). An excellent and comprehensive overview of many issues concerning crystal symmetry is presented... for Crystallography (ITA), the fundamental compendium of crystallographic space-group symmetry, would be equivalent... issues related to various aspects of space-group symmetry. Its predecessor, the `red' Volume I

  

Source: Wlodawer, Alexander - Macromolecular Crystallography Laboratory, National Cancer Institute

 

Collection: Chemistry ; Biology and Medicine

 
35 Euro. Jnl of Applied Mathematics (1998). col. 9, pp. 245-259. 0 1998 Cambridge University Press
 

Summary:  ,.A+Ax+gA,. = 0. (2.28) Theorem 2.8 IfA(x,y ) is an a4oint symmetry of ODE (2.24), then A(x, Y )is an integrating... -invariance determining equation (3.8) becomes ~%?/,+y'A~y,-3y(~')~A?/,?/,-4y~'Av,+2Av-2yA= 0. (5.9) We try the first... to utilize known first integrals and ...

  

Source: Bluman, George - Department of Mathematics, University of British Columbia

 

Collection: Mathematics

 
36 Average patterns and coherent phenomena in wide aperture lasers G. D'Alessandro
 

Summary:  c is the speed of light, P is the propa- gation operator, defined in Eq. (A4), and A x,y represents... not overlap: more precisely FIG. 3. Point spectrum of the propagation operator (A4) in the complex plane... ,y,L,t - 1 - L c . A4 In terms of the ABCD matrices [18] ...

  

Source: Louvergneaux, Eric - Laboratoire de Physique des Lasers Atomes et Molécules & Centre de Recherches Lasers et Applications,

 

Collection: Physics

 
37 Internal Symmetry Marijn Heule1
 

Summary:  Internal Symmetry Marijn Heule1 and Toby Walsh2 1 Delft University of Technology, The Netherlands... studying the internal symmetries within an individual solution of a constraint satisfaction problem [1... ]. Such inter- nal symmetries can be compared with solution symmetries which map between different ...

  

Source: Langendoen, Koen - Elektrotechniek, Wiskunde en Informatica, Technische Universiteit Delft

 

Collection: Engineering ; Computer Technologies and Information Sciences

 
38 Published in Nonlinearity 18 14071424 (2005) Rotating Eights I : The three i families
 

Summary:  family for each symmetry axis e1, e2, e3 of the Eight. Viewed in the frame rotating around the axis ei... T . To stress the dependence of the action on these variables, we will write A( + ) = A(, , ). 4. The Liapunov... to our study of the symmetry subgroups i. (vi) Another hint of the ...

  

Source: Féjoz, Jacques - Institut de Mathématiques de Jussieu, Université Pierre-et-Marie-Curie, Paris 6

 

Collection: Mathematics

 
39 Many important tasks in circuit design and verification can be per-formed in practice via reductions to Boolean Satisfiability (SAT), mak-
 

Summary:  -5 U 648 1924 24 264 1034 0.20 6912 11 14.7 0.05 648 423124 n/a n/a >1000 n/a n/a 4.03 n/a Total... variables include re- cent work on 0-1 Integer Linear Programming (ILP) and on symmetries in SAT. Those... attempted previously. Our work shows (i) how one can detect and use symmetries in instances of 0-1 ...

  

Source: Markov, Igor - Department of Electrical Engineering and Computer Science, University of Michigan

 

Collection: Engineering ; Computer Technologies and Information Sciences

 
40 F. A. Aloul, A. Ramani, I. L. Markov, K. A. Sakallah Many important tasks in circuit design and verification can be per-
 

Summary:  clauses (symmetry-breaking predicates - SBPs) to the original CNF formula. One particular family... .05 648 423124 n/a n/a >1000 n/a n/a 4.03 n/a Total - 7365 13595 460 7104 27356 1.41 2.4E37 530 >8487 6... Linear Programming (ILP) and on symmetries in SAT. Those extensions ...

  

Source: Aloul, Fadi - Department of Computer Engineering, American University of Sharjah

 

Collection: Engineering


Page:   1  2  3  4  5 
Page:   1  2  3  4  5 
 
41 Many important tasks in circuit design and verification can be per-formed in practice via reductions to Boolean Satisfiability (SAT), mak-
 

Summary:  264 1034 0.20 6912 11 14.7 0.05 648 423124 n/a n/a >1000 n/a n/a 4.03 n/a Total - 7365 13595 460 7104... variables include re- cent work on 0-1 Integer Linear Programming (ILP) and on symmetries in SAT. Those... attempted previously. Our work shows (i) how one can detect and use symmetries in instances of ...

  

Source: Sakallah, Karem A. - Department of Electrical Engineering and Computer Science, University of Michigan

 

Collection: Computer Technologies and Information Sciences

 
42 Efficiently Exploiting Symmetries in Real Time Dynamic Programming Shravan Matthur Narayanamurthy and Balaraman Ravindran
 

Summary:  (s), gs(a)) = R(s, a) (4) We use the shorthand h(s, a) for h((s, a)). Definition 2. An MDP homomorphism h... 3.1 Motivation In a large family of tasks, the symmetry groups are known beforehand or can... Efficiently Exploiting Symmetries in Real Time Dynamic Programming Shravan Matthur ...

  

Source: Ravindran, Balaraman - Department of Computer Science and Engineering, Indian Institute of Technology Madras

 

Collection: Computer Technologies and Information Sciences

 
43 Pseudo-Symmetries of Anosov Maps and Spectral J.P. Keating and F. Mezzadri
 

Summary:  clas- sical symmetries. Our purpose here is to describe a family of examples for which this procedure... mod s. (2.26) We therefore have a family of lattice symmetries whose only constraint is that b should... and therefore Tp(2N(b)-1 2) UT is a symmetry of UA. There exists a whole ...

  

Source: Mezzadri, Francesco - Department of Mathematics, University of Bristol

 

Collection: Mathematics

 
44 Symmetry detection through local skewed symmetries
 

Summary:  Symmetry detection through local skewed symmetries Tat-Jen Cham and Roberto Cipolla We explore how... global symmetry can be detected prior to segmentation and under noise and occlusion. The definition... of local symmetries is extended to affine geometries by consider- ing the tangents and curvatures of ...

  

Source: Cham, Tat Jen - School of Computer Engineering, Nanyang Technological University

 

Collection: Computer Technologies and Information Sciences

 
45 We present a novel and effective algorithm for rotation symmetry group detection from real-world images. We
 

Summary:  ). Red arrows indicate the dominant coefficient, each of which corresponds to (a) 4th , (b) 15th , (c) 23... Abstract We present a novel and effective algorithm for rotation symmetry group detection from real... -world images. We propose a frieze-expansion method that transforms rotation symmetry group ...

  

Source: Collins, Robert T. - Department of Computer Science and Engineering, Pennsylvania State University

 

Collection: Computer Technologies and Information Sciences ; Engineering

 
46 We present a novel and effective algorithm for rotation symmetry group detection from real-world images. We
 

Summary:  ). Red arrows indicate the dominant coefficient, each of which corresponds to (a) 4th , (b) 15th , (c) 23... Abstract We present a novel and effective algorithm for rotation symmetry group detection from real... -world images. We propose a frieze-expansion method that transforms rotation symmetry group ...

  

Source: Pennsylvania State University, Department of Computer Science and Engineering, Laboratory for Perception, Action, and Cognition

 

Collection: Computer Technologies and Information Sciences

 
47 List of Figures 1 A periodic even solution that is unstable to odd perturbations, leading to
 

Summary:  (ß \Gamma x; t)]: Note that A(x; t) = A 1 (x; t) +A 2 (x; t) +A 3 (x; t) +A 4 (x; t). In Figure 6 we choose... ­41, 1978. [32] B. Werner. Eigenvalue problems with the symmetry of a group and bifurcations, in... . Healey. Numerical bifurcation with symmetry: Diagnosis & computation of sin­ gular points, ...

  

Source: Laing, Carlo R. - Institute of Information and Mathematical Sciences, Massey University

 

Collection: Biology and Medicine ; Computer Technologies and Information Sciences

 
48 Symmetry-Breaking for Pseudo-Boolean Formulas Fadi A. Aloula,b, Arathi Ramania, Igor L. Markova, Karem A. Sakallaha
 

Summary:  648 423124 n/a n/a >1000 n/a n/a 4.03 n/a Total - 7365 2.4M >6K >25K >3243 >2.4E37 >510 >12K >116 #12... Symmetry-Breaking for Pseudo-Boolean Formulas Fadi A. Aloula,b, Arathi Ramania, Igor L. Markova... on Boolean variables include recent work on 0-1 Integer Linear Programming (ILP) and on ...

  

Source: Markov, Igor - Department of Electrical Engineering and Computer Science, University of Michigan

 

Collection: Engineering ; Computer Technologies and Information Sciences

 
49 Detection of symmetry of attractors from observations.
 

Summary:  (g) is equal to the symmetry of \Sigma(A). 4 Detectives for parametrised families of attract­ ors The aim... attractor but also for a d­parameter family of attractors? How do we detect symmetries from a Poincar... . Given two (Borel measurable) bounded subsets A and ...

  

Source: Nicol, Matthew - Department of Mathematics, University of Houston

 

Collection: Mathematics

 
50 26 August 1996 ELSEVIER Phycics Letters A 219 (1996) 287-292
 

Summary:  surfaces, however it does al- ter the velocity field, A4 = -VSO x V( &/at) .Vq/po. Later it will be clear... relabeling symmetry Nikhil Padhye, P.J. Morrison Department cfl Physics and Institute for Fusion Studies... symmetries are found for hydrodynamics and magnetohydrodynamics, which result in ...

  

Source: Morrison, Philip J., - Department of Physics, University of Texas at Austin

 

Collection: Physics ; Plasma Physics and Fusion

 
51 COLLOQUE DE PHYSIQUE Colloque C7, supplbment au n023, Tome 51, ler dbcembre 1990
 

Summary:  symmetry new families of minimal balance surfaces have been derived. Corresponding lists are referred... far have been tabulated by Koch & Fischer /a/. 4 - GENERA OF MINIMAL BALANCE SURFACES A non... -LIKE ATTACHMENTS Schoen /3/ described a family of minimal balance surfaces with the ...

  

Source: Ecole Polytechnique, Centre de mathématiques

 

Collection: Mathematics

 
52 CHAOTIC ATTRACTORS AND EVOLVING PLANAR SYMMETRY
 

Summary:  . This paper examines families of functions as we shift the symmetry from one planar type to another. Using... with low symmetry type. 2. Frieze Groups We begin by investigating families of chaotic attractors... with the symmetries of some frieze groups. Our first example looks at a ...

  

Source: Reiter, Clifford A. - Department of Mathematics, Lafayette College

 

Collection: Mathematics

 
53 Sel. math., New ser. 8 (2002) 705 719 10221824/02/04070515
 

Summary:  there exist some b such that G4[a] divides Gm[b] at some order m. Observe that for such pairs (a, 4) and (b, m... is a root only if m = 1 mod 3. This is not surprising, the family B4 -1 is integrable and has symmetries... , instead of an example of an equation with 2 symmetries, we have ...

  

Source: Sanders, Jan - Department of Mathematics, Vrije Universiteit Amsterdam

 

Collection: Mathematics

 
54 Commun. Math. Phys. 190, 675 695 (1998) Communications in
 

Summary:  fields in a much more complicated way: g-1 0g = - f - 2(s0 As-1 0 ) + 2(s0 Bs-1 0 ), 0A+ = -4A+ + [A+, f... ] - 2 [s1s-1 0 , A+], (s0 As-1 0 ) + A+, (s0 Bs-1 0 ) , 0A- = 4A- + [A-, f] + 2 [s1s-1 0 , A-], (s0 Bs-1... these symmetries are not independent: The latter two ...

  

Source: Devchand, Chand - Institut für Mathematik, Universität Potsdam

 

Collection: Mathematics

 
55 TUM-HEP-723/09 SI-HEP-2009-nn
 

Summary:  symmetry is GF = U(2)QL × U(2)UR × U(2)DR . (2.6) At first glance, it appears as just the 2-family analogue... -family case, it is instructive to look at the simpler example of two families with the flavour symmetry g... representations of GF and the representation of the 9 Goldstone ...

  

Source: Siegen, Universität - Fachbereich Physik, Theoretische Physik 1 (Elementarteilchenphysik)

 

Collection: Physics

 
56 Rule 1,2-Minimal Ordering Constraints for some Families of Variable Symmetries
 

Summary:  Rule 1,2-Minimal Ordering Constraints for some Families of Variable Symmetries Andrew Grayland1... the variable symmetry. This paper studies some commonly-occuring families of groups and shows how the set... that there is a constraint in our list of the form x1 . . . x(a+2)k-n x(a+2)k-n+1 . . . ...

  

Source: Miguel, Ian - School of Computer Science, University of St Andrews

 

Collection: Computer Technologies and Information Sciences

 
57 Constant Mean Curvature Surfaces Derived from Delaunay's and Wente's Examples
 

Summary:  -unduloid family is a maximal continuous family with the assumed symmetry. Note that the maximal necksize 1=k means... for the necksizes A of the two arms and S of the stem S(1 S) = 2cos A(1 A): (4.1) #12;CMC Surfaces Derived from... vertical symmetry planes. 5. For ...

  

Source: Polthier, Konrad - Institut für Mathematik, Freie Universität Berlin

 

Collection: Mathematics ; Computer Technologies and Information Sciences

 
58 Symmetry Comments Now that you have spent a week twirling cube structures, I thought I would add some
 

Summary:  derived from a specific one by applying symmetries fall into a family of size n. Now, since there are 24... Symmetry Comments Now that you have spent a week twirling cube structures, I thought I would add... -dimensional symmetry, as well as representation of three-dimension objects in two-dimensional ...

  

Source: Lee, Carl - Department of Mathematics, University of Kentucky

 

Collection: Mathematics

 
59 Commun. Math. Phys. 190, 675 --695 (1998) Communications in Mathematical
 

Summary:  + + [A + , f ] - 2 # [s 1 s -1 0 , A + ], (s 0 # As -1 0 ) # + # A + , (#s 0 # B#s -1 0 ) # , # 0 A- = 4A... + ­dependent rescalings of A(x + ). Clearly these symmetries are not independent: The latter two families can... of the generators of the first family. Analogous sets of ...

  

Source: Devchand, Chand - Institut für Mathematik, Universität Potsdam

 

Collection: Mathematics

 
60 Digital Object Identifier (DOI) 10.1007/s00220-003-0867-8 Commun. Math. Phys. 238, 3551 (2003) Communications in
 

Summary:  partial resolution of C3/(Z/2 × Z/4) #12;48 B. Szendroi A4 (A2, ) Fig. 4. The A4 configuration with Z/2... gives rise to a braid C3A4 Fig. 5. Some ruled surface configurations in elliptic fibrations #12;50 B... .: Diffeomorphisms and families of ...

  

Source: Szendröi, Balázs - Mathematical Institute, University of Oxford

 

Collection: Mathematics


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61 Approaches to Conditional Symmetry Breaking Ian P. Gent1
 

Summary:  Approaches to Conditional Symmetry Breaking Ian P. Gent1 , Iain McDonald1 , Ian Miguel2 , Barbara M... @cs.york.ac.uk, b.smith@4c.ucc.ie Abstract Conditional symmetry arises in a sub-problem of a constraint satisfaction... systematic search. Like unconditional symmetry, conditional symmetry can cause re- ...

  

Source: Miguel, Ian - School of Computer Science, University of St Andrews

 

Collection: Computer Technologies and Information Sciences

 
62 NONCLASSICAL AND CONDITIONAL SYMMETRIES Peter J. Olver, Evgenii M. Vorob'ev
 

Summary:  . Setting b(t; x) = 0 we can get the family of vector fields of the nonclassical symmetries: v = 4@ t \Gamma... vanishing on EQ and by A(Q) the #12; NONCLASSICAL CONDITIONAL SYMMETRIES 11 family of contact vector fields... symmetries of (11.32). 11.3.2. Two­dimensional modules of partial ...

  

Source: Olver, Peter - School of Mathematics, University of Minnesota

 

Collection: Mathematics

 
63 Contractions and monodromy in homological mirror symmetry Balazs Szendroi
 

Summary:  analytically the family Y is isomorphic to the family {x2 1 + x2 2 + x2 3 = t} A4 where t is the coordinate... to a threefold ¯X with an ordinary double point singularity {x2 1 + x2 2 + x2 3 + x2 4 = 0} A4... 2 + a3x-1 1 x-1 2 + u2 + v2 = 0} (A \ {0})2 × A2 × T ...

  

Source: Szendröi, Balázs - Mathematical Institute, University of Oxford

 

Collection: Mathematics

 
64 Elemental Periodic Orbits associated with the Libration Points
 

Summary:  family V4 at the branch point V41, and to its symmetry partner V5 at V51. 3.5 The Axial families... branch point along the Vertical family V4, namely V42, and its symmetry partner V52 along V5... an overview of detailed computational results for families of periodic ...

  

Source: Doedel, Eusebius - Department of Computer Science and Software Engineering, Concordia University

 

Collection: Computer Technologies and Information Sciences

 
65 New Periodic Orbits for the n-Body Problem Cristopher Moore
 

Summary:  in the symmetry group (9). However, since (9) is an irreducible representation of A4 [7], the only such matrices... a planar Lagrange orbit and has only dihedral symmetry. In particular, we find a family of orbits with 4m... which is isomorphic to the alternating group ...

  

Source: Belanger, David P. - Physics Department, University of California at Santa Cruz

 

Collection: Physics

 
66 GEOPHYSICS, VOL. 65, NO. 1 (JANUARY-FEBRUARY 2000); P. 232246, 11 FIGS., 2 TABLES. Inversion of azimuthally dependent NMO velocity in transversely
 

Summary:  is elliptical), the dip dependence of the P-wave NMO velocity is purely isotropic [equation (A-4)] and the only... of azimuthally dependent NMO velocity in transversely isotropic media with a tilted axis of symmetry Vladimir... Grechka and Ilya Tsvankin ABSTRACT Just as the transversely isotropic model with a verti- cal ...

  

Source: Tsvankin, Ilya - Department of Geophysics, Colorado School of Mines

 

Collection: Geosciences

 
67 Unchained polygons and the N-body problem Alain Chenciner & Jacques Fejoz
 

Summary:  is positive definite. We com- pute the symmetry groups Gr s (N, k, ) of the vertical Lyapunov families... to the method come from isomorphisms between the symmetries of different families; this is the case for the so... , )- symmetry . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...

  

Source: Ecole Polytechnique, Centre de mathématiques

 

Collection: Mathematics

 
68 Unchained polygons and the N-body problem Alain Chenciner & Jacques Fejoz
 

Summary:  is positive definite. We com- pute the symmetry groups Gr s (N, k, ) of the vertical Lyapunov families... to the method come from isomorphisms between the symmetries of different families; this is the case for the so... , )- symmetry . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...

  

Source: Féjoz, Jacques - Institut de Mathématiques de Jussieu, Université Pierre-et-Marie-Curie, Paris 6

 

Collection: Mathematics

 
69 PmHdlng. ofthe 2004 IEEE lntsmatlonalConfennss on Robotics 6 Automation
 

Summary:  ' , then the entry Dat = CO. Othedse DSt is the difference between & and g2] as calculated in Section N-A. 4... Large-Baseline Matching and Reconstruction from Symmetry Cells* Kun Huang Allen Y. Yang Wei Hong YI Ma... Uagbetween featurematfhIog and 3-Drecovery, we here proposea new symmetry

  

Source: Yang, Allen Y.- Department of Electrical Engineering and Computer Sciences, University of California at Berkeley

 

Collection: Engineering ; Computer Technologies and Information Sciences

 
70 Normal Forms for Threedimensional Parametric Instabilities in Ideal Hydrodynamics
 

Summary:  ). In addition, in normal form, the vector field will commute with the normal form symmetry (A1, A2, A3, A4) (ei... |2 + s21|A3|2 + s22|A4|2 ) - ir2A1A3 ¯A2. With detuning and the symmetry breaking terms due to precession... ) symmetry. Note that ...

  

Source: Marsden, Jerrold - Control and Dynamical Systems Program, Division of Engineering and Applied Science, California Institute of Technology

 

Collection: Engineering

 
71 J. Phys. II France 6 (1996) 17971824 DECEMBER 1996, PAGE 1797 The Morphology of Vesicles of Higher Topological Genus
 

Summary:  Appendix A.3 and A.4 for details. This stereo-graphic projection has special properties if the original... . The structure of W2 and the symmetries of surfaces within different families is related to the structure... symmetry is broken as soon as aZ = 0. Two new ...

  

Source: Juelicher, Frank - Max-Planck-Institut für Physik komplexer Systeme

 

Collection: Biology and Medicine ; Physics

 
72 J. Phys. III France 4 (1994) 2459-2469 DECEMBER 1994, PAGE 2459 Classification
 

Summary:  symmetry, without any preferred axis, and so is a sum of the two ec modes of the family. The particular... . and Dambly L., Analogy between photorefractive oscillators and class-A lasers, submitted to Phys. Rev A. [4... families I.e. sets of frequency degenerate modes, is very efficient ...

  

Source: Ecole Polytechnique, Centre de mathématiques

 

Collection: Mathematics

 
73 Mathl. Comput. Modelling Vol. 18, No. 10, pp. 1-14, 1993 0895-7177/93 $6.00 + 0.00 Printed in Great Britain. All rights reserved Copyright@ 1993 Pergamon Press Ltd
 

Summary:  Symmetries G. BLUMAN Department of Mathematics, University of British Columbia Vancouver, BC, Canada V6T 122... Abstract-Group-theoretic methods based on local symmetries are useful to construct invariant solutions... of PDEs and to linearize nonlinear PDEs by invertible mappings. Local symmetries include point ...

  

Source: Bluman, George - Department of Mathematics, University of British Columbia

 

Collection: Mathematics

 
74 Eurographics Symposium on Geometry Processing (2004), pp. 19 R. Scopigno, D. Zorin, (Editors)
 

Summary:  of symmetry in the measure of model simi- larity. In particular, we can define the family of metrics: D2 (f... ) Symmetry Descriptors and 3D Shape Matching Michael Kazhdan, Thomas Funkhouser and Szymon Rusinkiewicz... the Symmetry Descriptors of a 3D model. This is a collection of spherical functions that ...

  

Source: Funkhouser, Thomas A. - Department of Computer Science, Princeton University

 

Collection: Computer Technologies and Information Sciences

 
75 Eurographics Symposium on Geometry Processing (2004) R. Scopigno, D. Zorin, (Editors)
 

Summary:  of symmetry in the measure of model simi- larity. In particular, we can define the family of metrics: D2 (f... Eurographics Symposium on Geometry Processing (2004) R. Scopigno, D. Zorin, (Editors) Symmetry... of Computer Science, Princeton University, Princeton NJ Abstract In this paper, we present the ...

  

Source: Kazhdan, Michael - Department of Computer Science, Johns Hopkins University; Princeton University, Department of Computer Science, Princeton Graphic Group

 

Collection: Computer Technologies and Information Sciences

 
76 Chaotic Attractors Near Forbidden Symmetry JEFFREY P. DUMONT
 

Summary:  parameters appearing in families of functions equivariant with respect to the required symmetries. First... to a fundamental cell. This gives a family of functions with the symmetry of a planar lattice which we summarize... Chaotic Attractors Near Forbidden Symmetry (Preprint) JEFFREY P. ...

  

Source: Reiter, Clifford A. - Department of Mathematics, Lafayette College

 

Collection: Mathematics

 
77 Addendum to the paper "Modulus of analytic classification for unfoldings of generic parabolic
 

Summary:  of families unfolding a parabolic fixed point In this section we discuss briefly the symmetries of the family... symmetries may or may not be preserved in the unfolded family. Continuous families of symmetries... can be replaced by conjugacy. 1 ...

  

Source: Rousseau, Christiane - Département de Mathématiques et Statistique, Université de Montréal

 

Collection: Mathematics

 
78 Reversing symmetries in dynamical systems J.S.W. Lamb
 

Summary:  the equations of motion. A well known family of dynamical systems with a reversing symmetry are evolutions... this method is used to construct a family of weakly reversible mappings with a four­fold reversing symmetry. 5... with a four­fold reversing symmetry In this appendix a ...

  

Source: Lamb, Jeroen - Department of Mathematics, Imperial College, London

 

Collection: Mathematics

 
79 Spectral Properties on a Circle with a Singularity Tamas Fulop
 

Summary:  the relationship of special subfamilies of the U(2) family to corresponding symmetries, and identify... symmetries within the family F = U(2), the spectral space is found to be the coset, circle = U(2)/U(1) = U(1... ) family of generalized symmetries on the line [12], ...

  

Source: Tsutsui, Izumi - Institute of Particle and Nuclear Studies, High Energy Accelerator Research Organization (KEK)

 

Collection: Physics

 
80 ( )yxmnmn RR ,= as the functions on the radii of curvature, or the two-parameter family of the steady solutions
 

Summary:  -parameter family of steady solution for the 3D flow with square symmetry p4mm . For this square family, xcrx kR 3... symmetry, the steady solutions form a two- parameter family [14]. At a fixed value of the aspect ratio... ,y) are the functions on the radii of curvature (Rx,Rx) with ...

  

Source: New York at Stoney Brook, State University of - Department of Applied Mathematics and Statistics

 

Collection: Mathematics


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81 J. Phys. II France 6 (1996) 1797-1824 DECEMBER1996, PAGE 1797 The Morphology of Vesicles of Higher Topological Genus
 

Summary:  in different families. The structure of W2 and the symmetries of surfaces within different families is related... -Z-plane with the sphere of inversion symmetry of L. The shapes shown in Figure 4 represent each of the families... to one-dimensional families of ...

  

Source: Ecole Polytechnique, Centre de mathématiques

 

Collection: Mathematics

 
82 INSTITUT NATIONAL POLYTECHNIQUE DE GRENOBLE N attribu par la bibliothque
 

Summary:  Aurélien MARTINET le 2 Mars 2007 Structuring 3D Geometry based on Symmetry and Instancing Information... , ranging from simple geometric features to semantic information such as: the symmetry group of an object... a way of structuring the scene at both the object and scene levels using the information of symmetry

  

Source: Ecole Polytechnique, Centre de mathématiques

 

Collection: Mathematics

 
83 Discrete R Symmetries and Low Energy Supersymmetry
 

Summary:  ei Y A e-i A. (4) (For those familiar with superspace, this corresponds to ei d e-id.) Michael... Discrete R Symmetries and Low Energy Supersymmetry UC Davis, 2011 Michael Dine Department... R Symmetries and Low Energy Supersymmetry #12;Plan for Today: "New, Improved" Models of Dynamical

  

Source: Belanger, David P. - Physics Department, University of California at Santa Cruz; Katsaros, Panagiotis - Department of Informatics, Aristotle University of Thessaloniki

 

Collection: Physics

 
84 Honours Project Symmetry Classifications of
 

Summary:  Honours Project Symmetry Classifications of Periodic Tilings ­ Escher's drawings Name: Kavitha d... not be possible. Also, I would like to thank my family and friends for all their support and encouragement. #12... ;Summary This thesis serves as an introductory text in understanding the symmetry classifications of Escher

  

Source: Aslaksen, Helmer - Department of Mathematics, National University of Singapore

 

Collection: Mathematics

 
85 R.W. Grosse-Kunstleve, N.K. Sauter & P.D. Adams Lawrence Berkeley National Laboratory, One Cyclotron Road, BLDG 4R0230, Berkeley, CA 94720-
 

Summary:  .00, max_error: 0.0071 a: 4.0103186 2.9643631 b: 19.971888 1.7558905 c: 0 stol: 0.17 # d_min: 2.94, max... -centred setting:" monoclinic_c = crystal.symmetry( unit_cell=(25.0822, 5.04549, 29.4356, 90, 103.108, 90), space... basis is also automatically applied to the space group symmetry (note the change from C ...

  

Source: Grosse-Kunstleve, Ralf - Chemical Sciences Division, Lawrence Berkeley National Laboratory

 

Collection: Chemistry

 
86 An introduction to symmetry methods in the solution of differential equations that occur in
 

Summary:  transformation) has an infinite family of Lie point symmetries. 9 #12;Example 5. The LSC for the Thomas equation... solutions Most PDEs do not have a `general solution,' but symmetries can be used to find families... An introduction to symmetry methods in the solution of differential ...

  

Source: Hydon, Peter - Department of Mathematics, University of Surrey

 

Collection: Mathematics ; Engineering

 
87 STABLE SYMMETRIES OF PLANE SEXTICS Alex Degtyarev
 

Summary:  ]: they form eight equisingular deformation families, their sets of essential singularities are 4A4, A9 2A4... + 3)y + (8x6 + 20x3 - 1). The group of (Klein) symmetries of B is the alternating group A4... are ...

  

Source: Degtyarev, Alexander - Department of Mathematics, Bilkent University

 

Collection: Mathematics

 
88 hep-th/9611081 Hidden Symmetries of the Principal Chiral Model Unveiled
 

Summary:  As-1 0 ) + 2(s0 Bs-1 0 ) 0A+ = -4A+ + [A+, f] - 2 [s1s-1 0 , A+], (s0 As-1 0 ) + A+, (s0 Bs-1 0 ) 0A... combinations of the generators of the first family. Analogous sets of symmetries can be obtained from... hep-th/9611081 Hidden Symmetries of the Principal Chiral ...

  

Source: Schiff, Jeremy - Department of Mathematics, Bar Ilan University

 

Collection: Mathematics

 
89 Journal of Lie Theory c ?? Heldermann Verlag Berlin
 

Summary:  over Q. In bundle coordinates, we have FL(qA , qA ) = (qA , ^pA). (4) A direct computation shows... with Symmetry Manuel de Le´on, Jorge Cort´es, David M. de Diego, Sonia Mart´inez Abstract. Symmetries are known... symmetries are reviewed, from the almost classical results for ...

  

Source: Martínez, Sonia - Mechanical and Aerospace Engineering (MAE) , University of California at San Diego

 

Collection: Engineering ; Mathematics

 
90 Symmetry-based 3-D reconstruction from perspective images q
 

Summary:  to the supporting plane of the rectangle is d2 = a. 4.2. Multiple views of multiple symmetry cells First let us... ; H3 ¼ a2 ; H4 ¼ a3 ; H5 ¼ a4 ; H1 ¼ b; H2 ¼ ba; H3 ¼ ba2 ; H4 ¼ ba3 ; H5 ¼ ba4 ; where a ¼ cosð2p 5 Þ... pentagon, ~G ¼ fge ¼ I3Â3; g1 ¼ a; g2 ¼ a2 ; g3 ¼ ...

  

Source: Ma, Yi - Department of Electrical and Computer Engineering, University of Illinois at Urbana-Champaign; Yang, Allen Y.- Department of Electrical Engineering and Computer Sciences, University of California at Berkeley

 

Collection: Computer Technologies and Information Sciences ; Engineering

 
91 EXTENDED TECHNICOLOR MODEL BUILDING Thomas Appelquist and John Terning
 

Summary:  . At this stage the 8 left-families and the 8 right-families are protected from getting masses by gauge symmetries... and K. Yamawaki, Mod. Phys. Lett. A4 (1989) 129; K. Matumoto Prog. Theor. Phys. Lett. 81 (1989) 277; V... . Yamawaki, Mod. Phys. Lett. ...

  

Source: Terning, John - Department of Physics, University of California, Davis

 

Collection: Physics

 
92 Dynamics and Stability of Systems, Vol. 14, No. 3, 1999 Symmetry and chaos in the complex
 

Summary:  x, t)2 A(x2 p , t)2 A(p 2 x, t)] A3 (x, t) 5 1 4 [A(x, t)2 A(2 x, t) + A(x2 p , t)2 A(p 2 x, t)] A4... ) + A3(x, t) + A4(x, t). In Fig. 6 we choose the parameter values R 5 16, l 5 2.9 5 2 m . We start... for Fig. 1. Here, #12;248 P. J. ASTON AND C. R. LAING Fig. 6. Growth and decay of functions A2 , ...

  

Source: Laing, Carlo R. - Institute of Information and Mathematical Sciences, Massey University

 

Collection: Biology and Medicine ; Computer Technologies and Information Sciences

 
93 On locally and nonlocally related potential systems Alexei F. Cheviakov1,a
 

Summary:  , topologically, such restricted symmetries leave invariant a family of its solutions but do not leave invariant... , Z3 = - 1/4 , Z4 = rz r + 1 2 z2 - r2 z + 1 2 z . 5 I I =a1 +a2, P =a3 +a4 a1 , ... ,a4 =const Z1, Z... to the linearity of 3.16 . 5a a2 ...

  

Source: Bluman, George - Department of Mathematics, University of British Columbia

 

Collection: Mathematics

 
94 Symmetry and Asymmetry from Local Phase Peter Kovesi
 

Summary:  and the response properties of cortical cells. Journal of The Optical Society of America A, 4... Symmetry and Asymmetry from Local Phase Peter Kovesi Department of Computer Science The University... of Western Australia Nedlands W.A. 6907 pk@cs.uwa.edu.au Abstract. Symmetry is an important mechanism

  

Source: Kovesi, Peter - School of Computer Science and Software Engineering, University of Western Australia

 

Collection: Computer Technologies and Information Sciences

 
95 Symmetry and Asymmetry from Local Phase Peter Kovesi
 

Summary:  of cortical cells. Journal of The Optical Society of America A, 4(12):2379­2394, December 1987. 5. P. D... Symmetry and Asymmetry from Local Phase Peter Kovesi Department of Computer Science The University... of Western Australia Nedlands W.A. 6907 pk@cs.uwa.edu.au Abstract. Symmetry is an important ...

  

Source: Kovesi, Peter - School of Computer Science and Software Engineering, University of Western Australia

 

Collection: Computer Technologies and Information Sciences

 
96 Some Basic Facts, Old and New, About Triply Periodic Embedded Minimal Surfaces
 

Summary:  2 exactly d times, counting multiplicity. From formula 2.2 we have S KdA = 4(1 - k) . But the left... symmetry group of the labyrinths. In some of the applications of these minimal surfaces in science... -periodic embedded minimal surface with no symmetries other than translations? 3. Does there exist a ...

  

Source: GANG Preprints (Center for Geometry Analysis Numerical Graphics)

 

Collection: Mathematics

 
97 *dicotyledonous *triaperturate pollen
 

Summary:  ·Quadrangular stems ·Ca[5] Co[5], bilabiate, irregular A4, epipetalous G[2], gynobasic style ·Fruit a schizocarp... · Ranunculaceae · Berberidaceae · Papaveraceae Ranunculaceae ­ buttercup family globally 62 genera / 2,450 spp... on parts in 4s and 5s. I. Class Magnoliopsida (angiosperms) Cactaceae (cactus ...

  

Source: Hardy, Christopher R. - Biology Department, Millersville University

 

Collection: Environmental Sciences and Ecology

 
98 HIGHER SYMMETRIES AND EXACT SOLUTIONS OF LINEAR AND NONLINEAR SCHRODINGER
 

Summary:  symmetries are used to generate families of exact solutions of linear and nonlinear Schr¨odinger equations... + a1x + a2x2 + a3 (x + a4)2 , (2.4) where a0, ..., a4 are arbitrary constants. No other potentials... of the SO have the form h3 = a, h2 = -2ax + b, h1 = g1 ...

  

Source: Nikitin, Anatoly - Institute of Mathematics, National Academy of Sciences of Ukraine

 

Collection: Mathematics

 
99 Mathematisches Forschungsinstitut Oberwolfach Report No. 38/2010
 

Summary:  , then A := A A. (4) pk i,j, 0 < i, j, k d, s.t. AiAj = d k=1 pk i,jAk, i, j. A is a basis of a -matrix algebra... -Workshop: Exploiting Symmetry in Optimization Organised by Volker Kaibel, Magdeburg Leo Liberti, Palaiseau Achill Sch... of mathematical optimization models quite often exhibit a high degree of ...

  

Source: Pasechnik, Dmitrii V. - Division of Mathematical Sciences, Nanyang Technological University

 

Collection: Mathematics

 
100 A Family of "Three Element" M.C. Escher Patterns Douglas Dunham
 

Summary:  ) #12;A Study for the (2, 2, 2) Ivory Netsuke Carving #12;Masatoshi's Netsuke Carving (1963) #12;A (4, 5... , 3) "Three Element" Pattern #12;A (5, 3, 4) "Three Element" Pattern #12;A (4, 4, 3) "Three Element... " Pattern #12;A (4, 4, 10) "Three Element" Pattern ...

  

Source: Dunham, Doug - Department of Computer Science, University of Minnesota-Duluth

 

Collection: Computer Technologies and Information Sciences


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